Steps taken to address malfunctioning lifts

Steps taken to address malfunctioning lifts in Punggol: MP Sun Xueling

Lift firm Sigma banned from tendering new HDB projects since October 2015 over poor performance, installation delays http://str.sg/4Wfx

All 4 lifts at 2 Punggol HDB flats break down for about 4 hours, leaving residents stranded http://str.sg/4Wfj

"debris from renovation work, that is believed to be the cause of malfunctioning lifts in Punggol"

How can a Member of Parliament so chiak sai ?

Pehaps MRT beakdowns r due to dirts on track/components and not poor maintainance Laughing